Hypoplasia of the internal carotid artery.
D000792:Angiography; D002339:Carotid Arteries / Q000002:abnormalities*; D002941:Circle of Willis / Q000002:abnormalities; D004569:Electroencephalography; D005260:Female; D006429:Hemiplegia; D006801:Humans; D002532:Intracranial Aneurysm / Q000209:etiology; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000209:etiology*